What is the scope of a variable declared within a function?

What happens if a function does not have a return statement?

A). It returns undefined

B). It throws an error

C). It returns null

D). It returns 0

What is the purpose of the return statement in a function?

A). To stop the execution of the function

B). To return a value to the caller

C). Both A and B

D). Neither A nor B

Which keyword is used to return a value from a function?

A). return

B). give

C). send

D). output

How do you immediately invoke a function expression (IIFE)?

A). (function() { })();

B). function() { }();

C). (function() { }());

D). function() { }()

How do you create a function expression in JavaScript?

A). var myFunction = function() { };

B). var myFunction = function { };

C). var myFunction function() { };

D). var function myFunction() { };

How do you define a function in JavaScript?

A). function myFunction { }

B). function: myFunction() { }

C). function myFunction() { }

D). myFunction function() { }

What is the correct way to return an object from a function?

A). return object { };

B). return { };

C). return new Object { };

D). return object() { };

What is the correct syntax for invoking a function named myFunction?

A). call myFunction()

B). myFunction()

C). myFunction(call)

D). invoke myFunction()

Which of the following can a JavaScript function return?

A). Only strings

B). Only numbers

C). Any data type

D). Nothing

What will be the output of the following code: function test() { return 'Hello'; } console.log(test());?

A). test

B). Hello

C). undefined

D). error